/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.csp.sentinel.dashboard.rule.nacos.degrade;

import com.alibaba.csp.sentinel.dashboard.datasource.entity.rule.DegradeRuleEntity;
import com.alibaba.csp.sentinel.dashboard.rule.DynamicRuleProvider;
import com.alibaba.csp.sentinel.dashboard.rule.nacos.NacosSupport;
import org.springframework.stereotype.Component;

import java.util.List;

/**
 * 熔断
 * @author Eric Zhao
 * @since 1.4.0
 */
@Component("degradeRuleNacosProvider")
public class DegradeRuleNacosProvider implements DynamicRuleProvider<List<DegradeRuleEntity>> {

    private final NacosSupport nacosSupport;

    public DegradeRuleNacosProvider(NacosSupport nacosSupport) {
        this.nacosSupport = nacosSupport;
    }

    @Override
    public List<DegradeRuleEntity> getRules(String appName) throws Exception {

        return nacosSupport.getRule(appName, NacosSupport.DEGRADE_DATA_ID_POSTFIX, DegradeRuleEntity.class);
    }
}